Fukushima Reactor No. 4 SFP: Fuel Racks Moved And Damaged; Fallen Debris Distorted Tops

Nuclear Industry Report: ‘Reduced stability’ of fuel pool in Fukushima Unit 4; Admits there’s damaged fuel inside? — Gundersen: Fuel racks moved and damaged; Fallen debris distorted tops (AUDIO) (ENENews, Sep 27, 2013):

World Nuclear News, Sept. 26, 2013 (Emphasis Added): […] Underwater inspections in the [Unit 4] pond have shown most of the fuel to be undamaged, but the pond contains a lot of dust and debris which will complicate operations. […] Its full core load of fuel, plus used fuel from previous operation, was being stored in a fuel pool at the top of the reactor building. […] The stability of the pool was then reduced by major structural damage to the building caused by the ignition of hydrogen […]

World Nuclear News is funded by the World Nuclear Association. The WNA represents the interests of the international nuclear industry. –Source

Fairewinds Energy Education Podcast, Sept. 26, 2013 (at 21:15 in) – Arnie Gundersen, Fairewinds Chief Engineer: These racks [in the Unit 4 fuel pool] have moved, they’ve been distorted by the earthquake, there’s junk that’s fallen on top of them and distorted the tops. […] One of two things is going to happen. They’re either going to pull too hard and snap the bundle, or they’re going to be unable to pull all of the fuel out of the pool.

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